Henry hollingdrake and thomas lee



H. HOLLINGDRAKE ET AL Fel 13, 1923. l 1,445,214

IN MOTIQN RECORDER FOR VEHICLES Filed Sept. l, 192] 2 sheets-sheet, l

Feb. 13, 1923.

H. HOLLINGDRAKE ET AL IN MOTION RECORDER FOR VEHICLES 2 sheets-sheet 2Patented Feb. 13, 1923.

UNITED i STATES PATENT OFFICE.

HENRY HOLLINGDRAKE AND THOMAS LEE, OF STOCKPORT, ENGLAND.

Application filed September To all whom t may concern.'

Be it known that we. HENRY l'loLLiNc- Dimm: and THOMAS LEE, bothsubjects of the King ot Great Britain and Ireland, residing at 65Princes Street, Stockport. Chester. England, have invented new anduseful Tnt provements in or Relating to ln-Motion liecorders forVehicles, of which the 'following is a specification.

The invention relates to improvements in or relating to in-motionrecorders tor vehicles and has for its object to provide means whereby arecorder may be caused to give a record extending over a period of morethan 24 hours.

1t is also an object of the invention to rcduce the cost of productionand to produce a recorder of a more compact character than heretofore.

According to the invention the recorder comprises a table rotated by atrain of clock work upon which a chart of helical form is mounted. Themotion of the vehicle upon which the recorder is mounted causesvibration of an arm or lever which actuates a style to indicate upon thechart the periods during which the vehicle has been in motion and atrest. Each convolution of the helical chart preferably receives therecord covering a period of 24 hours and if an eight day clock movementis employed a vcontinuous* record for such period can be obtained.

Reference will now be made to the acco1npanying drawings whichillustrate one form of the invention and in which Figure 1 shows insectional elevation an instrument constructed according to theinvention;

Figure 2 is a plan of Figure 1 with the lidv of the case broken away.

Figure 3 is a perspective View of the nonrotating table or platform, and

Figure 4 shows in plan the case contain ing the sight hole. l

In the drawings 1 represents the case of an instrument which by way ofexample is circular in shape, may be formed by castingor otherwise, andis provided with a lid 2 hinged as at 3 which latter can` be secured byan suitable means. v

gecured within the case 1 by means of screws or the like is a clockmovement 4 preferably though not essentially of the 8 day type, throughone pivot plate of which projects a spindle 5 ada ted to be rotated.thereby, and upon whc is mounted thev IN-MOTIO RECORDER FOR VEHICLES.

1, 1921. Serial N0. 497,600.

rotatable table 6, a slotted collar or boss 7 formed thereon engaging apin 8 fast in the spindle 5.

Fixed to one of the pivot plates ot the clock movement by screws or thelike 9 is an arm or bracket 10 vwhich carries at its outer end avertical standard 11 upon which is unequally mounted a vibrating arm orlever 12, the longer arm of which extends into the s ace between therotatable table 6 and the c ook movement 4, the shorter arm 13 of saidlever 12 being connected by means of a spring 14 to a bracket 15 securedto the lower pivot plate of the clock movement 4 as shown.

Upon said vibrating arm or lever i12 is a vertical arm or offset 16 uponwhich is pivotally mounted ay short arm 17 which is provided with aweight 18 in which a style or the like 19 is mounted.

Arranged above the rotating table 6 is a spider shaped perforated table20 of skeleton formation as shewn in Figures 2 and provided with lugs 21which register in suitable grooves recessed in the rim 22 ot the casing1, being clamped and held rigid by the lid 2 when the box or casing isclosed, as in Figure 1.

A helical chart 23 is provided wherein each convolution is marked off torepresent 24 hours, or any suitable period of time and is mounted on therotating table 6 so that as thc table 6 rotates the chart moves over theinclined portion 24 of the spider 20 on to the surface 25, in order toproduce a. continuous record over a succession of days when the vehicleis in use.

The chart 23 is rigidly maintained rel ative to the rotating table 6 andin driving connection therewith by perforations in thc chart engagingpins or studs in the table, the last convolution of the chart having asolid centre and passing under a cup shaped member 26. This cup shapedmember 26 fits over the clock spindle 5 and is clamped to the rotatingtable 6 by a milled nut 27. lt is fitted with an annular ring 28, theupper surface ot which is divided circumferentially to represent 24hours, each hour being suitably sub-divided. The lid 2 is provided witha sight hole as at 29, closed by means of glass, mica or othertransparent substance 30, which is furnished with a sight line 31,preferably coloured red, and through this sight hole the annular rin 28may. be 'viewed by the driver of the vehicle the time being indicated bytlie coinrrzidence ol? 'tbc sight line and the niarlringe on the annularring. l

ln operation 'tbe clock movement is Wound f3 up? tbe arin 1T nio'vedradially through about 900y clear ot' the rotating'table (5 and thelielical chart placed on. the letterthe stds in tbe table G engaging'the perioran tions in tbe helical chart. lie spider 2l) ie lo tbenplaced over l'lie chart and tbe inilled nut screwed home on the clockspindle y5. lflie eroi lT then.ifeturned to ite norinal position; onrotating the annulsiir ring 28 in a coi .iter `clficlm'i directioin thel1. l5 cbart lucente lic n lined portion 2 tbe Spider and ll'i'e lepoint if' n on tbe graduated surface of tlie helical chart in itsoyeratire position. The annular ,ring can be .rotated until ,tbe chartie correctly 20 set accordiing- ,to vtlce tiine. The cloclr being in`motion.. `tlic Vibration .ci a AVehicle `on .vhiclrtlie ,instrument iemounted causen` the arm l2 to oecillate, The oscillations varetrzuisniltted lo tbe Style 19 which :traces a 25 :aio-Zac; linecirciim'lerentially around ,the helical chart. lTVlien tbe .eliitdc ieat nest tbe chart continues to be lied beneath the style which if itengages the chart during such period would produce a partiallycircularline incontradistinction to .the Zig'aa o. n n n E n'larkingecharacteristic ,of motion. lllie pe-` riods of restand "of movement ofthe vehicle an thus be idcnti'ded with ease :from the chart, Ae tbetal'lle .6 rotatee the chart is YFed lpjradrml'lly ,up tbe inclinedportion E24 ontotlieupper eu face 25 oit tbe Spider until.

at the conclusion ot the period. for which a Single chart ie vintendedto be "need, tbe

Whole ol Such chart with the exception of 40 its `last convolution heebeen tranefcrred,to

the upper Surface of the Snidern lt Willbe understood that tbeon.durations furthe helical cliart niiavfbe varie-d to repre sent,periods ol tune other than 2li `.lioursn 1,5 or the helical cliait maybe replacedlbi/ a circular dieco'f no r or tlielilrel. .without in vanyWay departing from the Spirit ot glie i nvention l. A. Vibrationaccorder;comprising a caeing, a spindle inmintedin Said coeino,n Aaneffor continjuouellVT rotating;` Said spindle, a table mounted on saidspindle,a2helical `rec- -lr rt eumnorted by said table, avibrat s lity amarking device contactingV withSaidcliart andcarried'by "d Weiglit `endmeans for reinovingtbe.marked no n .otweaid cliartftoallplane above thenia-rlrino deu-ice. I y Y y Y o `2. A Vibration recorder comprising acasim" vaSpindle .mounted ineaid casing; a

me Vrnover forcontinuouslyrotaL eaid `-spindl@ztutablt; mounted onnaid,e dle a x llleflcallrzeeord chart supportedgb57 Atali/)le (15 andmovable therewith, n vibrating Weight ical riveted beneath said tablei aSpiral Spring connecting said Weight to a fixed point, a marking devicecontacting; with said chart end carried by Said Weight and nieane ttorremoving the inarked portion of said chart t e plane above the marking`device.

3. .ffl vibration recorder comprising a caeingj a spindle mounted inSaid casing, a prime mover for continuously rotating said spindle-,table mounted lon said spindle, a helical record elia-rt supported bysaid table and movable therewith7 a vibrating Weight pivoted beneathSaid table, a `spiral spring connecting said Weight to a lined point9 amarking device contacting with said clcart and carried by Said Weight,spider fixed y l i `above said rotary table and means for leedino themarked portion of Said chart onto the upper surface o'fwsaid spider.

il. .fliiibration recorder comprising a caeing, a spindle mounted in`said casing, a

l prime mover for continuously rotat ng' Said spindle, a table mountedon`saidepi.ndle,a helical record chart `supported by ltable and movabletlleren/ith,` a vibrating Weight pivote@ beneath .Said table, .a ,Spiral.Serine connecting said Weiglitto a fixed `xpoint, a

marking-'device lContacting Withs 1d chart and carried lby said Weight7ay cupfshaped member mounted Q11 ,Sa-id table, nutte gagingthe 'endoffsaid epindle'secnrilngevaid member in place, a `disc grodlllted' innuits oi time :mounted `'on `said lflerrber, `a Spider fixed tothecaeing and disposedbetween`v rid table and disc, an inclined:portion`said Spider and Ineens 'for feeding u Vmarked portion of saidcliartupleaid incl ed portion onto tlieuppeinsurface Vor said SpielenW5.` A vibration recorder ccmprsllle :a ingrn a helical record ,ch artmounted, thin eai d casino. means for continuelle ting'f record chart, axfibra ngvweiglitmoun low said record chart1 amarlrin tacting; Ywith d.record chart and. c uated by said vyeisgrhnalixed .platediepo edab isaid chart and means for feeding the redv portion; of Said chart onto.tbe l iuoper Surface of said plate. l

6. yibration recorder comprieinga casing; Va spindle mounted in eaidcasing, a

`Spring; rector llorrotating,eaid spindld a lllldellewww helical recordchart supported by said table and. movable therewith, a vibrating Weightpivoted beneath said table, a spiral spring connecting said weight to afixed point, a marking device contacting with said chart and carried bysaid Weight, a cup shaped member mounted on said table, a nut engagingthe end of said spindle securing said member in place, a disc graduatedin units of time mounted on said member, a Window in said casing forobserving the position of said disc, a spider fixed to the casing anddisposed between said table and disc, an inclined portion in said spiderand means for feeding the marked portion of said chart up saidinclinedportion onto the upper surface of said spider.

8. A vibration recorder comprising a casing` a spindle mounted on saidcasing, a prime mover for continuously rotating said spindle, a tablerotatable With said spindle, a helical record charty movable with saidtable, a weighted lever disposed beneath said table, a pair ofknife-edges forming a fulcrum for said lever, yielding means restrainingvibration of said lever, a marking device pivotally connected to saidlever and contacting with the surface of said chart and means forremoving the marked portion of said chart continuouslyv to a plane abovesaid marking device.

In witness whereof We aix our signatures.

`\HENRY HOLLINGDRAKE.

THOMAS LEE.

